/* ─── palette ─────────────────────────────────────────────────────────────
   Swap the four colour values below to try different palettes.
     white (current) : --fg #ffffff  --accent #cccccc  --muted-rgb 255,255,255  --glow transparent
     amber           : --fg #ffb000  --accent #ffd060  --muted-rgb 255,176,0    --glow rgba(255,176,0,.35)
     phosphor green  : --fg #33ff66  --accent #88ff88  --muted-rgb 51,255,102   --glow rgba(51,255,102,.30)
     desaturated cyan: --fg #88c8d8  --accent #b8e8f0  --muted-rgb 136,200,216  --glow rgba(136,200,216,.30)
   Background stays #0d0d0d in every palette unless we decide to flip light/dark.
   ──────────────────────────────────────────────────────────────────────── */
:root {
  --bg:        #0d0d0d;
  --fg:        #ffffff;
  --accent:    #cccccc;
  --muted-rgb: 255, 255, 255;
  --muted:     rgba(var(--muted-rgb), 0.4);
  --glow:      transparent;

  --mono: ui-monospace, "Cascadia Mono", "JetBrains Mono",
          "Consolas", "Menlo", "Courier New", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  min-height: 100vh;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 1rem;
  text-align: center;
  line-height: 1.5;
}

/* ─── top nav ─── */
.site-nav {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  padding: 0.5rem 0 1rem;
  width: 100%;
  letter-spacing: 0.04em;
}
.site-nav a {
  color: var(--fg);
  text-decoration: none;
  font-size: 1rem;
  padding: 0.25rem 0.25rem;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
  outline: none;
}

/* ─── hero ─── */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  max-width: 720px;
  width: 100%;
}

/* Wordmark + tagline share a width: the grid column is sized to the pre's
   intrinsic width (its longest line, which can't break), and the tagline
   wraps within that column. */
.wordmark-group {
  display: grid;
  grid-template-columns: min-content;
  justify-items: center;
  gap: 2rem;
}

.wordmark {
  font-family: var(--mono);
  font-size: clamp(0.55rem, 2.2vw, 1.05rem);
  line-height: 1;
  margin: 0;
  white-space: pre;
  color: var(--fg);
  /* CRT-style glow — set via --glow in the palette block; transparent on white */
  text-shadow: 0 0 6px var(--glow);
}

.tagline {
  font-size: 1.15rem;
  margin: 0;
  letter-spacing: 0.02em;
  width: 100%;          /* fill the grid column = wordmark width */
  text-align: center;
}

.cta {
  display: inline-block;
  padding: 0.75rem 2rem;
  color: var(--fg);
  text-decoration: none;
  border: 1px solid var(--fg);
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.05em;
  background: transparent;
  transition: background-color 0.15s, color 0.15s;
}
.cta:hover,
.cta:focus-visible {
  background: var(--fg);
  color: var(--bg);
  outline: none;
}

/* ─── footer ─── */
.site-footer {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 2rem;
  width: 100%;
  letter-spacing: 0.02em;
}
.site-footer p { margin: 0.25rem 0; }

/* ─── home-page wordmark home-link wrap ─── */
.wordmark-home {
  display: block;
  color: inherit;
  text-decoration: none;
}

/* ─── subpage chrome ─── */
.subpage-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0 1.5rem;
  width: 100%;
}

.brand-mark {
  display: inline-block;
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}
.brand-mark pre {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.1;
  white-space: pre;
}
.brand-mark:hover,
.brand-mark:focus-visible {
  color: var(--accent);
  outline: none;
}

main.prose {
  flex: 1;
  width: 100%;
  max-width: 60ch;
  text-align: left;
  align-self: center;
  padding: 1rem 0 2rem;
  font-family: var(--mono);
}
.prose .page-title {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  margin: 0;
  text-align: center;
  letter-spacing: 0.04em;
}
.prose .page-title-rule {
  border: none;
  border-top: 1px solid var(--muted);
  width: 8rem;
  margin: 1rem auto 2.5rem;
}
.prose h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2.5em 0 0.5em;
  letter-spacing: 0.01em;
  text-align: center;
}
.prose p {
  margin: 1.1em 0;
  line-height: 1.7;
}
.prose ul, .prose ol {
  margin: 1.1em 0;
  padding-left: 1.6em;
  line-height: 1.7;
}
.prose li { margin: 0.5em 0; }
.prose a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.prose a:hover,
.prose a:focus-visible {
  color: var(--accent);
  outline: none;
}
.prose em { color: var(--muted); font-style: normal; }
.cta-row {
  text-align: center;
  margin-top: 3em;
}

/* ─── contact form ─── */
.contact-form {
  margin: 2em 0 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
}
.contact-form label {
  display: block;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.5em;
  color: var(--fg);
}
.contact-form input[type="text"],
.contact-form textarea {
  width: 100%;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--muted);
  padding: 0.65rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.45;
  border-radius: 0;
}
.contact-form input[type="text"]::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted);
}
.contact-form input[type="text"]:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--fg);
}
.contact-form textarea {
  resize: vertical;
  min-height: 8em;
}
.contact-form .honeypot {
  display: none;
}
.contact-form button.cta {
  cursor: pointer;
}

/* ─── small screens ─── */
@media (max-width: 600px) {
  .site-nav { gap: 1.25rem; }
  main.prose { padding: 0.5rem 0 1.5rem; }
}